单项选择题
—Were you late for the film? —Yes, half of it ______ by the time we ______ the cinem A. A.was shown, reached B.had been shown, reached C.was shown, had reached D.had been shown, had reached
未知题型 下列药物是通过影响核酸合成抗肿瘤的是A.环磷酰胺B.柔红霉素C.紫杉醇###SXB##
单项选择题 苯和酚都属于( ) A.脂肪族化合物 B.环烃 C.芳香族化合物 D.芳香烃
未知题型 新药生产批准文号的审批部门是A.国务院药品监督管理部门B.省级药品监督管理部门###SXB#